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Science | Engineering | Materials Science

Explore how the use of natural and manmade materials further technology. Read articles on subjects such as nanotechnology, iron steel and reverse osmosis.

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Are food-based plastics a good idea?

Once upon a time, food was used for one thing: eating. Today, it has a much more complicated role. And one of those roles might be serving as an upstart in the world of plastics.


Are there natural nanotechnologies?

 Are there natural nanotechnologies?

Can natural nanotechnology exist? If molecules can be found in nature, is there anything that could truly qualify as a natural nanotechnology? Find out. See more »

What is the gray goo nightmare?

 What is the gray goo nightmare?

Gray goo is a possible scenario if nanomachines get out of hand. See what gray goo is and all about a possible gray goo nightmare. See more »

Can nanoscopic machines manipulate atoms?

 Can nanoscopic machines manipulate atoms?

Nanoscopic machines can theoretically build things molecule by molecule. Learn about the potential uses for nanoscopic machines. See more »

How Welding Works

 How Welding Works

Welding is what makes bridges, skyscrapers and automobiles possible. Learn about the science behind welding. See more »

Can a swimsuit make you swim faster?

 Can a swimsuit make you swim faster?

A swimsuit alone can't make you swim faster, but it can smooth your body and cut drag. Read about the swimsuit some think will make you swim faster. See more »

How Rubber Works

 How Rubber Works

Rubber is an elastomer, a large molecule that can be stretched and returned to its original shape. Learn why rubber is so stretchy and how we make it. See more »

How Timber Works

How Timber Works

The timber industry employs 13 million people and produces 124 million cubic feet of roundwood. Learn why timber remains a critical natural resource. See more »

How Reverse Osmosis Works

 How Reverse Osmosis Works

How does reverse osmosis work? Find out how a semipermeable membrane can act as a filter for some particles while letting others pass through. See more »

How Steam Technology Works

 How Steam Technology Works

Steam technology works to harness the power of steam in order to perform work. Learn about steam technology and some steam technologies. See more »

How Plastics Work

 How Plastics Work

Plastics can be found in a wide variety of products. They are everywhere. Find out how plastics are made and learn about uses for plastics. See more »